Leukocytosis
Leukocytosis
Leukocytosis (pronounced: loo-koh-sy-TOH-sis) is a medical condition characterized by an increased number of white blood cells (leukocytes) in the blood.
Etymology
The term "Leukocytosis" is derived from the Greek words "leukos" meaning "white", and "cytosis" meaning "cell condition".
Definition
Leukocytosis is typically a response to an infection or other inflammatory process in the body, but can also be caused by certain medications, stress, or physical exertion. It is often discovered during a routine complete blood count (CBC) test.
Types of Leukocytosis
There are several types of leukocytosis, each named for the type of white blood cell that is increased in number:
- Neutrophilic leukocytosis (neutrophilia)
- Lymphocytic leukocytosis (lymphocytosis)
- Monocytic leukocytosis (monocytosis)
- Eosinophilic leukocytosis (eosinophilia)
- Basophilic leukocytosis (basophilia)
Causes
Leukocytosis can be caused by a variety of conditions, including:
- Infections, such as bacterial, viral, or parasitic
- Inflammatory diseases, such as rheumatoid arthritis or vasculitis
- Certain medications, such as corticosteroids
- Physical or emotional stress
- Certain types of cancer, such as leukemia
Treatment
Treatment for leukocytosis typically involves addressing the underlying cause. This may involve antibiotics for an infection, medication to control an inflammatory disease, or other treatments as appropriate.
Related Terms
- Leukopenia: A decrease in the number of white blood cells
- Polycythemia: An increase in the number of red blood cells
- Thrombocytosis: An increase in the number of platelets
External links
- Medical encyclopedia article on Leukocytosis
- Wikipedia's article - Leukocytosis
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